Home / 112,975.02-168,514.26-103,794.66

Finding the Fourth Proportional to 112,975.02, 168,514.26 and 103,794.66

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Solution

The fourth proportional to 112,975.02, 168,514.26 and 103,794.66 is: 154,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,975.02 : 168,514.26 = 103,794.66 : x
  2. Step 2: Convert to fraction form
    112,975.02/168,514.26 = 103,794.66/x
  3. Step 3: Cross multiply
    112,975.02x = 168,514.26 × 103,794.66
  4. Step 4: Simplify right side
    112,975.02x = 17,490,880,321.85
  5. Step 5: Solve for x
    x = 17,490,880,321.85/112,975.02
  6. Step 6: Final answer
    x = 154,820.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.